<template>
  <view class="cart-container" v-if="cart.length !== 0">
    <!-- 收货地址区域 -->
    <my-adress></my-adress>
    <!-- 标题区域 -->
    <view class="cart-title">
      <!-- 左侧图标 -->
      <uni-icons type="shop" size="18"></uni-icons>
        <!-- 描述文本 -->
        <text class="cart-title-text">购物车</text>
    </view>
    <!-- 循环渲染商品信息 -->
    <uni-swipe-action>
      <block v-for="(goods, i) in cart" :key='i'>
      <uni-swipe-action-item :right-options="options" @click="swiperItemClickHandler(goods)">
        <my-goods :goods="goods" :showRadio="true" :showNum="true" @radio-change='radioChangeHandler' @num-change='numChange'></my-goods>
      </uni-swipe-action-item>
      </block>
    </uni-swipe-action>
    <!-- 结算组件 -->
    <view class="my-settle-container">
      <my-sttle></my-sttle>
    </view>
  </view>
  <!-- 空购物车区域 -->
  <view class="empty-cart" v-else>
    <image src="/static/cart_empty@2x.png" class="empty-img"></image>
    <text class="tip-text">空空如也~</text>
  </view>
</template>

<script>
  import { mapState, mapMutations } from 'vuex'
  import badgeMix from '@/mixins/tabbar-badge.js'
  export default {
    computed: {
      ...mapState('m_cart', ['cart'])
    },
    mixins:[badgeMix],
    data() {
      return {
        options: [{
              text: '删除', // 显示的文本内容
              style: {
                backgroundColor: '#C00000' // 按钮的背景颜色
              }
            }]
      };
    },
    methods: {
      ...mapMutations('m_cart', ['updataGoodsState', 'updataGoodsCount', 'removeGoodsById']),
      radioChangeHandler (e) {
        this.updataGoodsState(e)
      },
      numChange (e) {
       this.updataGoodsCount(e)
      },
      swiperItemClickHandler(goods) {
        this.removeGoodsById(goods)
      }
    }
   }
</script>

<style lang="scss">
.cart-title {
  height: 40px;
  display: flex;
  align-items: center;
  font-size: 14px;
  padding-left: 5px;
  border-bottom: 1px solid #efefef;
  .cart-title-text {
    margin-left: 10px;
  }
}
.cart-container {
  padding-bottom: 50px;
}
.empty-cart {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 150px;

  .empty-img {
    width: 90px;
    height: 90px;
  }

  .tip-text {
    font-size: 12px;
    color: gray;
    margin-top: 15px;
  }
}
</style>
